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Does not include goodwill.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph e Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 -Subparagraph b falsefalseIPR&D intangible assets33false0us-gaap_BusinessAcquisitionPurchasePriceAllocationAmortizableIntangibleAssetsus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse3950000039.5falsefalsefalsefalsefalse5truefalsefalse518600000518.6falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of acquisition cost of a business combination allocated to an identifiable intangible asset that will be amortized.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 52 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph e falsefalseIntangible assets34false0wpi_LongTermDeferredTaxAssetswpifalsedebitinstantLong term deferred tax assets.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse2430000024.3falsefalsefalsefalsefalse5truefalsefalse6960000069.6falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryLong term deferred tax assets.No authoritative reference available.falsefalseLong-term deferred tax assets35false0us-gaap_BusinessAcquisitionContingentConsiderationAtFairValueus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegatedtotal1truefalsefalse-111000000-111.0falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse-198500000-198.5falsefalsefalsefalsefalse4truefalsefalse-64800000-64.8falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryFair value, as of the acquisition date, of potential payments under the contingent consideration arrangement including cash and shares.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph g(1) Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph f Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 29, 30, 41, 42, 64 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 65 -Subparagraph a, b truefalseContingent consideration obligations36false0wpi_BusinessAcquisitionPurchasePriceAllocationLongTermDeferredTaxLiabilitieswpifalsecreditinstantBusiness Acquisition Purchase Price Allocation Long term Deferred Tax Liabilities.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegatedtotal1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse-24300000-24.3falsefalsefalsefalsefalse5falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryBusiness Acquisition Purchase Price Allocation Long term Deferred Tax Liabilities.No authoritative reference available.truefalseLong-term deferred tax liabilities37false0us-gaap_BusinessAcquisitionPurchasePriceAllocationAssetsAcquiredLiabilitiesAssumedNetus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetotallabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4truefalsefalse6200000062.0falsetruefalsefalsefalse5truefalsefalse19462000001946.2falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe total purchase price of the acquired entity. 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